image.serviceRating {
  width: 70px;
  height: 14px;
  -moz-image-region: rect(0px 70px 14px 0px);
}

image.serviceRating[rating="1"] {
  -moz-image-region: rect(14px 70px 28px 0px);
}
image.serviceRating[rating="2"] {
  -moz-image-region: rect(28px 70px 42px 0px);
}
image.serviceRating[rating="3"] {
  -moz-image-region: rect(42px 70px 56px 0px);
}
image.serviceRating[rating="4"] {
  -moz-image-region: rect(56px 70px 70px 0px);
}
image.serviceRating[rating="5"] {
  -moz-image-region: rect(70px 70px 84px 0px);
}